* {
  margin: 0;
  padding: 0;
}
body {
  width: 100%;
  height: auto;
}
.ul_1 {
  margin: 10vh 10vw;
}
.li_1 {
  width: 100%;
  display: flex;
  justify-content: space-between;
}
.li_1 div {
  width: 15vw;
  height: 15vw;
  margin: 0 3vh 3vh 0;
  background: pink;
}
